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    Chem Pharm Bull (Tokyo). 2003 Jul;51(7):857-9.

    Antimycobacterial activity of prenylated xanthones from the fruits of Garcinia mangostana.

    Source

    Department of Chemistry, Faculty of Science, Srinakharinwirot University, Bangkok, Thailand. sunit@swu.ac.th

    Abstract

    Prenylated xanthones, isolated from the fruit hulls and the edible arils and seeds of Garcinia mangostana, were tested for their antituberculosis potential. Alpha- and beta-mangostins and garcinone B exhibited strong inhibitory effect against Mycobacterium tuberculosis with the minimum inhibitory concentration (MIC) value of 6.25 microg/ml. Tri- and tetra-oxygenated xanthones with di-C5 units or with a C5 and a modified C5 groups are essential for high activities. Substitution in the A and C rings has been shown to modify the bioactivity of the compounds.

    PMID:
    12843596
    [PubMed - indexed for MEDLINE]
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